<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<%-- 设置一个变量 --%>
<c:set value="${pageContext.request.contextPath }" var="rootPath" />
<%-- Date now = new Date() --%>
<jsp:useBean id="sys_now" class="java.util.Date"/>